Accessory Structures in Lake Elsinore, CA (2026)
6 verified accessory structures rules for Lake Elsinore, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Lake Elsinore regulates accessory dwelling units under LEMC § 17.415.110, capping ADUs at two bedrooms, limiting attached units to 50 percent of the primary home's floor area, detached units to 1,200 square feet, and requiring four-foot side and rear setbacks for new construction.
Lake Elsinore Accessory Dwelling Unit Rules
Some RestrictionsLake Elsinore Municipal Code § 17.415.110(D)(1), (2), (4)
1. Maximum Number of Bedrooms. Accessory dwelling units shall not exceed a maximum of two bedrooms as sleeping quarters. 2. Size Restrictions. If there is an existing primary dwelling, an attached ADU shall not exceed 50 percent of the gross floor area for the primary dwelling. An attached ADU that is proposed with a new primary dwelling shall not exceed 1,200 square feet in floor area. A detac...
ADU Impact Fees
In the City of Lake Elsinore, accessory dwelling units under 750 square feet are exempt from development impact fees under LEMC § 17.415.110(E)(4). Larger ADUs owe impact fees prorated to the primary dwelling's square footage, plus standard water and sewer connection charges regardless of size.
Lake Elsinore ADU Impact Fee Waiver
Some RestrictionsLake Elsinore Municipal Code § 17.415.110(E)(4)(a)-(b)
E. Utility Services and Fees. ... 4. The owner of an ADU or JADU shall be subject to the payment of all sewer, water and other applicable fees, including impact fees set forth in Government Code Section 66000 et seq., except as follows: a. ADUs that are less than 750 square feet shall not be subject to impact fees. b. ADUs that are 750 square feet or more shall be charged impact fees that are p...
ADU Owner Occupancy
Lake Elsinore requires the owner of a lot with a junior accessory dwelling unit to live in either the primary unit or the JADU as a principal residence under LEMC § 17.415.110(C)(5)(b), unless the owner is a government agency, land trust, or housing organization.
Lake Elsinore JADU Owner-Occupancy Rule
Some RestrictionsLake Elsinore Municipal Code § 17.415.110(C)(5)(b), (l)
The owner of the lot proposed for the junior accessory dwelling unit shall occupy, as a principal residence, either the primary unit or the junior accessory dwelling unit. Owner-occupancy shall not be required if the owner is another government agency, land trust, or housing organization. ... The JADU or primary residence shall be occupied by the owner of record. The City shall not issue a buil...
ADU Rental Restrictions
The City of Lake Elsinore bans short-term rentals in any accessory dwelling unit. LEMC § 5.86.040(E) bars short-term rental use of ADUs outright, and § 17.415.110(C)(5)(c) separately forbids renting a junior ADU for less than 30 days and bars selling a JADU apart from the main house.
Lake Elsinore ADU Short-Term Rental Ban
Heavy RestrictionsLake Elsinore Municipal Code §§ 5.86.040(E), 17.415.110(C)(5)(c)
In accordance with LEMC § 17.415.110, no person may operate a short-term rental in any accessory dwelling unit. ... The junior accessory dwelling unit shall not be sold independently of the primary unit on the lot. Either unit may be rented; however, short-term rentals less than 30 days are prohibited.
Shed & Carport Rules
In the City of Lake Elsinore, LEMC § 17.76.040 lets a Group I shed under 120 square feet and 6.5 feet tall sit right on the property line in R-1 zones, while a bigger Group II shed under 600 square feet and up to 15 feet tall needs a 5-foot side and 10-foot rear setback.
Backyard Shed Rules in Lake Elsinore
Some RestrictionsLake Elsinore Municipal Code § 17.76.040
Group I. Sheds, children's playhouses, and similar enclosures of less than 120 square feet provided they do not exceed a maximum height of six and one-half feet. Such structures may be located on property line provided the design of the structure complies with the City's fire and building code. ... Group II. ... Unenclosed structures such as carports, gazebos, and patio covers (both trellis-typ...
Garage Conversions
Lake Elsinore waives the standard side and rear setbacks when a legally permitted garage is converted into an accessory dwelling unit under LEMC § 17.415.110(D)(5), and it does not require replacement parking for the space lost, per § 17.415.110(F)(3).
Lake Elsinore Garage-to-ADU Conversion Rules
Light RestrictionsLake Elsinore Municipal Code § 17.415.110(D)(5), (F)(3)
5. Garage Conversions. No setback shall be required for an existing, legally permitted, garage that is converted to an accessory dwelling unit. However, no addition may be constructed to the converted garage that increases the encroachment into the setback. ... ... 3. Garage Conversions. When the ADU is created by converting or demolishing a garage, carport or covered parking structure, replace...
Looking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Lake Elsinore city rules.
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